{"id":"recommendation-excludes-watched","text":"`get_feed` excludes videos the user has already watched from popular and content-based scores; collaborative filtering excludes them in its own co-occurrence logic.","truth_value":"IN","source":"entries/2026/06/05/design-youtube-design_youtube.md","source_url":"","source_hash":"","justifications":[],"dependents":["read-paths-filter-by-entity-state","read-responsibility-spans-convergence-and-filtering"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"recommendation-excludes-watched","truth_value":"IN","reason":"premise"}]}}